1. Which one of the following is not an Internet Service Provider (ISP)?
(A) MTNL
(B) BSNL
(C) ERNET India
(D) Infotech India Ltd.



2. The hexadecimal number system consists of the symbols
(A) 0 – 7
(B) 0 – 9 , A – F
(C) 0 – 7, A – F
(D) None of these



3. The binary equivalent of (–15)10 is (2’s complement system is used)
(A) 11110001
(B) 11110000
(C) 10001111
(D) None of these



4. 1 GB is equal to
(A) 230 bits
(B) 230 bytes
(C) 220 bits
(D) 220 bytes



5. The set of computer programs that manage the hardware/software of a computer is called
(A) Compiler system
(B) Operation system
(C) Operating system
(D) None of these



6. S/MIME in Internet technology stands for
(A) Secure Multipurpose Internet Mail Extension
(B) Secure Multimedia Internet Mail Extension
(C) Simple Multipurpose Internet Mail Extension
(D) Simple Multimedia Internet Mail Extension